Fuel hose confusion

[Sam110]

I'm wanting to replace the current fuel line from my external tank to my 9.9 Mercury four stroke engine. This tank is newly acquired and has the gray hose which I understand can break down over use and cause fuel filter/carburetor issues. I'm looking at the various offerings here but all hoses appear to be the same 'gray' line as I now have. Price seems to be the only indicator of 'quality' in the description. Needing some direction here of which hose is best.

 

[bondo]

Ayuh,.... The only problem I've ever had with the grey outboard gas lines is they get very stiff over time,........
No break-down, just to stiff,.... the cure is replace it,.....